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Closed-Form Expressions of Upper Bound for Polarization-MDCSK System [PDF]

open access: yesEntropy, 2023
The performance analysis of polarization M-ary differential chaos shift keying (P-MDCSK) has been expressed using a tight upper bound with the Q-function. However, evaluating the Q-function directly is not a closed expression and there has been less work
Meiyuan Miao, Lin Wang, Weikai Xu
doaj   +2 more sources

Temperature upper bound of an ideal gas [PDF]

open access: yesHeliyon
We study thermodynamics of a heat-conducting ideal gas system. The study is based on i) the first law of thermodynamics from action formulation which expects heat-dependence of energy density and ii) the existence condition of a (local) Lorentz boost ...
Hyeong-Chan Kim
doaj   +2 more sources

Upper Confidence Bound Exploration with Fast Convergence [PDF]

open access: yesJisuanji kexue, 2022
Deep reinforcement learning method has achieved excellent results in large state space control tasks.Exploration has always been a research hotspot in this field.There are some problems in the existing exploration algorithms,such as blind exploration,and
AO Tian-yu, LIU Quan
doaj   +1 more source

Upper Tail Bounds for Stars [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2020
For $r \ge 2$, let $X$ be the number of $r$-armed stars $K_{1,r}$ in the binomial random graph $G_{n,p}$.  We study the upper tail ${\mathbb P}(X \ge (1+\epsilon){\mathbb E} X)$, and establish exponential bounds which are best possible up to constant factors in the exponent (for the special case of stars $K_{1,r}$ this solves a problem of Janson and ...
Matas Sileikis, Lutz Warnke
openaire   +4 more sources

Review of the Upper Bound Method for Application to Metal Forming Processes

open access: yesMetals, 2022
In this paper, we review the upper bound method in plasticity with special reference to metal forming processes. We focus on the method itself, solution methods, and restrictions of the upper bound method.
Sergei Alexandrov, Marina Rynkovskaya
doaj   +1 more source

GUBS Upper Bound Solver (Extended Abstract) [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2017
In this extended abstract we present the GUBS Upper Bound Solver. GUBS is a dedicated constraint solver over the naturals for inequalities formed over uninterpreted function symbols and standard arithmetic operations. GUBS now forms the backbone of HoSA,
Martin Avanzini, Michael Schaper
doaj   +1 more source

Thrackles: An Improved Upper Bound [PDF]

open access: yesDiscrete Applied Mathematics, 2018
A {\em thrackle} is a graph drawn in the plane so that every pair of its edges meet exactly once: either at a common end vertex or in a proper crossing. We prove that any thrackle of $n$ vertices has at most $1.3984n$ edges. {\em Quasi-thrackles} are defined similarly, except that every pair of edges that do not share a vertex are allowed to cross an {\
Radoslav Fulek, János Pach
openaire   +7 more sources

Estimation Method for Upper Bound of General Pattern Index Based on Modified BPSO [PDF]

open access: yesJisuanji gongcheng, 2018
A general pattern index upper bound estimation method based on modified Binary Particle Swarm Optimization (BPSO) algorithm is proposed to estimate the boundary value estimation problem in constrained frequent pattern mining.According to the ...
WANG Ju,LIU Fuxian,JIN Chunjie
doaj   +1 more source

An Improved Upper Bound for SAT

open access: yesProceedings of the AAAI Conference on Artificial Intelligence, 2021
We show that the CNF satisfiability problem can be solved O^*(1.2226^m) time, where m is the number of clauses in the formula, improving the known upper bounds O^*(1.234^m) given by Yamamoto 15 years ago and O^*(1.239^m) given by Hirsch 22 years ago.
Huairui Chu, Mingyu Xiao 0001, Zhe Zhang
openaire   +3 more sources

Symmetry-Like Relation of Relative Entropy Measure of Quantum Coherence

open access: yesEntropy, 2020
Quantum coherence is an important physical resource in quantum information science, and also as one of the most fundamental and striking features in quantum physics. To quantify coherence, two proper measures were introduced in the literature, the one is
Chengyang Zhang, Zhihua Guo, Huaixin Cao
doaj   +1 more source

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